main.c

#include <coreinit/thread.h>
#include <coreinit/time.h>

#include <whb/proc.h>
#include <whb/log.h>
#include <whb/log_console.h>

#include <nsysnet/socket.h>

#include <string.h>

enum {
   PACKET_HEARTBEAT = 1,
   PACKET_TIME_MISMATCH
};

int sockFD;
struct sockaddr_in sa;
char buffer[1024];
uint32_t addr;

int main(int argc, char **argv) {
   int last_tm_sec = -1;
   OSCalendarTime tm;

   WHBProcInit();
   WHBLogConsoleInit();
   WHBLogPrintf("Hello World!");

   socket_lib_init();

   sockFD = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);

   memset(&sa, 0, sizeof(sa));
   sa.sin_family = AF_INET;
   sa.sin_port = htons(11000);
   inet_aton("192.168.0.20", &sa.sin_addr);

   connect(sockFD, (struct sockaddr *)&sa, sizeof(sa));

   while(WHBProcIsRunning()) {
      OSTicksToCalendarTime(OSGetTime(), &tm);

      if (tm.tm_sec != last_tm_sec) {
         last_tm_sec = tm.tm_sec;

         memset(buffer, 0, sizeof(buffer));
         buffer[0] = PACKET_HEARTBEAT;
         send(sockFD, buffer, 1024, 0);
         memset(buffer, 0, sizeof(buffer));
         while(buffer[0] != PACKET_HEARTBEAT){
            recv(sockFD, &buffer, 1024, 0);
            WHBLogPrintf("Waiting for heartbeat return...\n");
         }
         WHBLogPrintf("Heartbeat returned.\n");
       }

      WHBLogConsoleDraw();
      OSSleepTicks(OSMillisecondsToTicks(100));
   }

   WHBLogPrintf("Exiting... good bye.");
   WHBLogConsoleDraw();
   OSSleepTicks(OSMillisecondsToTicks(1000));

   socketclose(sockFD);
   socket_lib_finish();

   WHBLogConsoleFree();
   WHBProcShutdown();
   return 0;
}